3 things scientists can’t agree on about coronavirus
3 things scientists can’t agree on about coronavirus Face masks The novel coronavirus spreads by droplets from coughs, sneezes and speaking. To halt the spread of the virus, face masks have become compulsory in many countries. But there has been much debate among scientists over the effectiveness of face masks on reducing the spread of COVID-19. A report from a multidisciplinary group convened by the Royal Society hascome out in favourof the public wearing face masks....